Sean ‘Diddy’ Combs’ ex-girlfriend Misa Hylton says watching him assault his former partner Cassie Ventura has “triggered her own trauma”. The rapper, 54, who is facing a string of abuse lawsuits, has apologised after surveillance camera footage emerged on 19 May showing him beating Cassie, now 37, at an LA hotel. His ex Misa, 51, who was his first public relationship and with whom he has son Justin, 30, has now said watching the tape – released by CNN – has dredged up her own “trauma” over being with the rapper. She said on Instagram alongside photos of Combs’ seven children: “I am heartbroken…